ZIP code 46383 is in Valparaiso (60% of residents), in Porter County, Indiana. 40% of its residents live outside city limits. It is in Indiana's 1st congressional district. Its state senate districts are State Senate District 5 (89%) and State Senate District 4 (11%); its state house districts are State House District 4 (89%), State House District 10 (6.0%) and State House District 9 (5.3%).
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
33 voting precincts overlap ZIP 46383.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 46383 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code;
PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.